2020 M5 T Slot Nuts for 2020 aluminum extrusion with 6mm slot, compatible with T-slot aluminum profile 20x20 series. Spring-loaded ball design allows the T slot nuts to stay securely in place and prevents sliding during installation. Easier to use than standard T nuts that may not lock properly. These nuts can be easily inserted and removed from the aluminum extrusion. Ideal for use with T slot extrusions in various applications. Fits precisely on 2020 extrusion or 2020 rail, allowing integration with multiple components. Suitable for replacing lost hardware on 3D printers or securing new brackets to reinforce frame structures, such as on 3D printer models. Constructed from high-quality carbon steel with high hardness. Nickel-plated surface for enhanced rust resistance. Widely used in building CNC routers, 3D printers, CNC cutters, plasma cutters, robotics projects, 3D carvers, machine guards, workstations, and other industrial or DIY projects. Designed to roll smoothly into the T slot of aluminum profiles. Color: Silver. Material: Carbon steel. Size: 12 x 8 x 6mm. Package Contents: 25 x 2020 Series T Nuts. Note: The package includes only the items listed. Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.